CVE-2020-7502

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller.

Una CWE-787: Se presenta una vulnerabilidad de Escritura Fuera de Límites en Modicon M218 Logic Controller (versiones de Firmware 4.3 y anteriores), lo que puede causar una Denegación de Servicio cuando son enviados paquetes específicos TCP/IP hacia el Controlador Lógico Modicon M218

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-21 CVE Reserved
2020-06-16 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.se.com/ww/en/download/document/SEVD-2020-161-01	2022-01-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Schneider-electric Search vendor "Schneider-electric"	Modicon M218 Firmware Search vendor "Schneider-electric" for product "Modicon M218 Firmware"	<= 4.3 Search vendor "Schneider-electric" for product "Modicon M218 Firmware" and version " <= 4.3"	-	Affected	in	Schneider-electric Search vendor "Schneider-electric"	Modicon M218 Search vendor "Schneider-electric" for product "Modicon M218"	-	-	Safe